Presagis Releases New Versions of its Products VAPS XT 4.2, UA Accelerator 3.0, and UA Emulator 3.0 Be Korea savvy Lockheed Martin chooses Presagis VAPS XT 178 software for development of DO 178C compliant human machine interfaces under the U.S. Air Force Special Operations Command MC 130J program Military Aerospace Arinc 661 VAPS XT FOR SIMULATION Digital Moving Map for Safety Critical Air Platforms (Built in VAPS XT), (watch HD) CsTech Facebook